. Key to North American birds [microform] : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Birds; Ornithology; Oiseaux; Ornithologie. f I 84 ;, avuexs. — gen. 17,. wliic-li is k'ss tliaii tlio Inl; \hhuI of \viiig fonncd l)v IJd, 4tli and 5th quills; tail rounded, eiiual to or lonu't'i' tiiau wing, llestlcss, active little forest birds that make a liviiiLC liy iiitUin;j; lni; out ol' cracks in hark. In scrambling about, they use the tail as \vuoil|n'ckoi's do, and ni'
. Key to North American birds [microform] : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Birds; Ornithology; Oiseaux; Ornithologie. f I 84 ;, avuexs. — gen. 17,. wliic-li is k'ss tliaii tlio Inl; \hhuI of \viiig fonncd l)v IJd, 4tli and 5th quills; tail rounded, eiiual to or lonu't'i' tiiau wing, llestlcss, active little forest birds that make a liviiiLC liy iiitUin;j; lni; out ol' cracks in hark. In scrambling about, they use the tail as \vuoil|n'ckoi's do, and ni'vor hany; head downwards, like the nut- liatchcs. Lay numerous cjrgs in knotholes ; fljM not migratory ; no song ; slight seasonal or '^ 'N^'^^H^fc^'^fefc. 'y sexual changes of plumage. 17. Genus CERTHIA Linnaeus. Jhvicn Creejicr. Plumage above sin- ularly I)arn'(l with dusk}', whitish, ii,„; (awny or fulvous browii, aiid bright l,n)\vii—latter chiefly on the rump; below, white, either pm-e or soiled, and generally slightly brownish-washed behind; wings diislcy, oddly varied with lawny or whitish bars and spots; tail plain; about 5A ; wing and tail !d)out 2:|. North America. Wils., i, 122, pi. 8; Xutt. ; Aui)., ii, 109, pi. 11j; Bi)., 372 familiakis. Family TROGLODYTID^. Wrens. Embracing a number of forms assembled in considerable variety, and difficult to limit with precision. Closely related to the last two or three families ; known from these by tail A'athcrs and exposed nostrils. Very intimately re- sembling, in particular, the mocking grouj) of thrushes—those with scutellatc tarsi and not strictly spurious fu-sl [jrimary ; but all our wrens are smaller than any of the MhniiKV, and otliurwise distinguished by less deeply cleft toes, as stated on p. 73 ; " tlie inner toe is united by half its basal joint to the middle toe, sometimes by the whole of this joint; and the second joint of the outer toe enters wholly or partial
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, bookyear1872
